bscpkgs/bsc/garlic/experiments/config.nix

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2020-07-24 18:34:18 +02:00
let
lib = import <nixpkgs/lib>;
inputParams = {
# MPI implementation
mpi = [
"impi"
"mpich"
];
# Gcc compiler
gcc = [
"gcc9"
"gcc7"
];
# Additional cflags
cflags = [
["-O3" "-fnobugs"]
["-Ofast"]
];
# Which git branches
# branches = [
# "mpi+seq"
# "seq"
# ];
};
apps = [
"dummy"
];
# genAttrSets "a" ["hello" "world"]
# [ { a = "hello"; } { a = "world"; } ]
genAttrSets = (name: arr: (map (x: {${name}=x; })) arr);
# addAttrSets "a" [1 2] {e=4;}
# [ { a = 1; e = 4; } { a = 2; e = 4; } ]
addAttrSets = (name: arr: set: (map (x: set // {${name}=x; })) arr);
# attrToList {a=1;}
# [ { name = "a"; value = 1; } ]
attrToList = (set: map (name: {name=name; value=set.${name};} ) (builtins.attrNames set));
# mergeConfig [{e=1;}] {name="a"; value=[1 2]
# [ { a = 1; e = 1; } { a = 2; e = 1; } ]
mergeConfig = (arr: new: lib.flatten ( map (x: addAttrSets new.name new.value x) arr));
# genConfigs {a=[1 2]; b=[3 4];}
# [ { a = 1; b = 3; } { a = 1; b = 4; } { a = 2; b = 3; } { a = 2; b = 4; } ]
genConfigs = (config: lib.foldl mergeConfig [{}] (attrToList config));
# Generates all configs from inputParams
allConfigs = (genConfigs inputParams);
in
{
inherit allConfigs;
}